﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.ComponentModel.DataAnnotations;
using BenefitHelper.Sys;
namespace BenefitHelper.Data.Year
{
    /// <summary>
    /// 小组年均值
    /// </summary>
    public class GroupAvgYear
    {
        [Key]
        public int Id { get; set; }
        /// <summary>
        /// 操作账户
        /// </summary>
        public int GroupId { get; set; }
        /// <summary>
        /// 操作账户
        /// </summary>
        public virtual Groups Group { get; set; }
        /// <summary>
        /// 交易年
        /// </summary>
        public int Year { get; set; }

        /// <summary>
        /// 平仓盈亏
        /// </summary>
        public double Profit { get; set; }
        /// <summary>
        /// 手续费
        /// </summary>
        public double Free { get; set; }
        /// <summary>
        /// 净收益
        /// </summary>
        public double DayCount { get; set; }
        /// <summary>
        /// 交易笔数
        /// </summary>
        public double BillCount { get; set; }
        /// <summary>
        /// 总亏损
        /// </summary>
        public double SumLost { get; set; }
        /// <summary>
        /// 总盈利
        /// </summary>
        public double SumWin { get; set; }
        /// <summary>
        /// 保证金占用
        /// </summary>
        public double UsedMargin { get; set; }

        /// <summary>
        /// 资金利用率
        /// </summary>
        public double Utilization { get; set; }
        /// <summary>
        /// 胜率
        /// </summary>
        public double WinRate { get; set; }
        /// <summary>
        /// 涨幅
        /// </summary>
        public double RaiseRate { get; set; }

        /// <summary>
        /// 每笔盈利
        /// </summary>
        public double AvgBillBenefit { get; set; }

        /// <summary>
        /// 超过止损次数
        /// </summary>
        public double OverStopLoss { get; set; }

        /// <summary>
        /// 风险次数
        /// </summary>
        public int RiskCount { get; set; }

        /// <summary>
        /// 收益率
        /// </summary>
        public double Yield { get; set; }
        /// <summary>
        /// 最大回撤
        /// </summary>
        public double MaxReturn { get; set; }
        /// <summary>
        /// 平均持仓时间
        /// </summary>
        public double AvgPostionTime { get; set; }
        /// <summary>
        /// 平进平出单量
        /// </summary>
        public int PingJinPing { get; set; }
        /// <summary>
        /// 盈利次数
        /// </summary>
        public int WinCount { get; set; }
        /// <summary>
        /// 亏损次数
        /// </summary>
        public int LoseCount { get; set; }



        /// <summary>
        /// 删除当年所有记录
        /// </summary>
        /// <param name="weekId"></param>
        public void Delete(int year, DB.DBManager db)
        {
            var query = from t in db.GroupAvgYear where t.Year == year select t;
            foreach (Data.Year.GroupAvgYear c in query)
            {
                db.GroupAvgYear.Remove(c);
            }
            db.SaveChanges();
        }

        /// <summary>
        /// 保存年小组累计值
        /// </summary>
        /// <param name="tradeHistoryId">插入时间编号</param>
        /// <param name="pdate">插入时间</param>
        public void InitGroupAvgYear(int year, DB.DBManager db)
        {
            List<Sys.Groups> groups = db.Groups.ToList();
            foreach (Sys.Groups g in groups)
            {
                GroupAvgYear day = new GroupAvgYear();
                day.GroupId = g.Id;
                day.Year = year;

                var queryExist = from t in db.GroupAvgYear where t.Year == year && t.GroupId == g.Id select t;
                if (queryExist.Count() > 0)
                {
                    day = queryExist.First();//如果有年均值，就赋值
                }

                var query = db.GroupAvgMonth.Where(a => a.Year == year).Where(a => a.GroupId == g.Id).ToList();


                day.BillCount = Math.Round(query.Average(a => a.BillCount), 2);
                day.DayCount = Math.Round(query.Average(a => a.DayCount), 2);
                day.Free = Math.Round(query.Average(a => a.Free), 2);
                day.LoseCount = Convert.ToInt32(query.Average(a => a.LoseCount));
                day.Profit = Math.Round(query.Average(a => a.Profit), 2);
                day.SumLost = Math.Round(query.Average(a => a.SumLost), 2);
                day.SumWin = Math.Round(query.Average(a => a.SumWin), 2);
                day.UsedMargin = Math.Round(query.Average(a => a.UsedMargin), 2);
                day.WinCount = Convert.ToInt32(query.Average(a => a.WinCount));
                day.AvgBillBenefit = Math.Round(query.Average(a => a.AvgBillBenefit), 2);
                day.AvgPostionTime = Math.Round(query.Average(a => a.AvgPostionTime), 2);
                day.MaxReturn = Math.Round(query.Average(a => a.MaxReturn), 2);
                day.OverStopLoss = Math.Round(query.Average(a => a.OverStopLoss), 2);
                day.PingJinPing = Convert.ToInt32(query.Average(a => a.PingJinPing));
                day.RaiseRate = Math.Round(query.Average(a => a.RaiseRate), 2);
                day.RiskCount = Convert.ToInt32(query.Average(a => a.RiskCount));
                day.Utilization = Math.Round(query.Average(a => a.Utilization), 2);
                day.WinRate = Math.Round(query.Average(a => a.WinRate), 2);
                day.Yield = Math.Round(query.Average(a => a.Yield), 2);
                if (queryExist.Count() == 0)
                {
                    db.GroupAvgYear.Add(day);
                }
            }
            db.SaveChanges();
        }

        public GroupAvgYear GetGroupAvgYear(int groupId, int year, DB.DBManager db)
        {
            var query = db.GroupAvgYear.Where(a => a.GroupId == groupId).Where(a => a.Year == year);
            if (query.Count() > 0)
            {
                return query.First();
            }
            else
            {
                return null;
            }
        }
    }
}
